Blue Archive · student
Serina (Christmas)
Pierce, Unarmed
LV.100Combat
UrbanDOutdoorSIndoorB
Stats · Lv.100 Stats at any level →
HP20380
ATK2080
DEF108
Heal4595
Crit218
Crit DMG200%
Crit RES100
Stability1268
Accuracy765
Evasion724
Range650
DEF Pen—
CC Power100
CC RES100
Ammo15
Ammo cost3
Move Speed200
Heal Effectiveness10000
Skills
Echo of Blessings
Increases Crit DMG by 43.5% for allies, other than the user, in a circular area (for 50 sec). Accumulates 1 Holy Night's Blessing (stacks up to 15 times.) Increases Piercing Effectiveness by 3.7% multiplied by the number of Holy Night's Blessings (for 50 sec).
Drag to see per-level scalingAssorted Gift Set C
Throws gifts to allies, other than the user, in a circular area every 21 normal attacks (for 30 sec). Green Box: Increases Crit DMG by 21% Red Box: Increases Crit DMG by 24% Teddy Bear: Increases Crit DMG by 27%.
Drag to see per-level scalingGuardian Angel's Will+
Increases DEF by 380. Also increases Max HP by 26.6%.
Drag to see per-level scalingHoly Aegis
Increases Evasion by 34.4% upon reloading (for 15 sec).
Drag to see per-level scalingLoved gifts · raise this student's affinity the most
Lace PillowSSR
Liked gifts · genre favorites — extra affinity
Jellies CushionSR · matches 2 tagsNutrient-Packed Multivitamin GummiesSSRHealth Food SupplementSRWavecat PillowSR
Star levels · credits and Eleph per star
2★
10,000 Credit Points + 30x Serina (Christmas)'s Eleph
3★
40,000 Credit Points + 80x Serina (Christmas)'s Eleph
4★
200,000 Credit Points + 100x Serina (Christmas)'s Eleph
5★
1,000,000 Credit Points + 120x Serina (Christmas)'s Eleph
Skill levels · per skill slot, per level
EX skill Lv.1 → 2
80,000 Credit Points + 12x Beginner Tactical Training Blu-ray (Trinity) + 13x Mandrake Seed
Basic / Enhanced / Sub skill Lv.1 → 2
5,000 Credit Points + 5x Beginner Tech Notes (Trinity)
EX skill Lv.2 → 3
500,000 Credit Points + 12x Normal Tactical Training Blu-ray (Trinity) + 18x Beginner Tactical Training Blu-ray (Trinity) + 13x Mandrake Sprout + 30x Wolfsegg Iron Ore
Basic / Enhanced / Sub skill Lv.2 → 3
7,500 Credit Points + 8x Beginner Tech Notes (Trinity)
EX skill Lv.3 → 4
3,000,000 Credit Points + 12x Advanced Tactical Training Blu-ray (Trinity) + 18x Normal Tactical Training Blu-ray (Trinity) + 7x Mandrake Juice + 25x Wolfsegg Steel
Basic / Enhanced / Sub skill Lv.3 → 4
60,000 Credit Points + 5x Normal Tech Notes (Trinity) + 12x Beginner Tech Notes (Trinity) + 5x Mandrake Seed
EX skill Lv.4 → 5
10,000,000 Credit Points + 8x Superior Tactical Training Blu-ray (Trinity) + 18x Advanced Tactical Training Blu-ray (Trinity) + 8x Mandrake Extract + 19x Low-Purity Wolfsegg Steel
Basic / Enhanced / Sub skill Lv.4 → 5
90,000 Credit Points + 8x Normal Tech Notes (Trinity) + 4x Mandrake Sprout + 12x Wolfsegg Iron Ore
Basic / Enhanced / Sub skill Lv.5 → 6
300,000 Credit Points + 5x Advanced Tech Notes (Trinity) + 12x Normal Tech Notes (Trinity) + 10x Mandrake Sprout + 18x Wolfsegg Iron Ore
Basic / Enhanced / Sub skill Lv.6 → 7
450,000 Credit Points + 8x Advanced Tech Notes (Trinity) + 3x Mandrake Juice + 16x Wolfsegg Steel
Basic / Enhanced / Sub skill Lv.7 → 8
1,500,000 Credit Points + 8x Superior Tech Notes (Trinity) + 12x Advanced Tech Notes (Trinity) + 4x Mandrake Extract + 8x Low-Purity Wolfsegg Steel
Basic / Enhanced / Sub skill Lv.8 → 9
2,400,000 Credit Points + 12x Superior Tech Notes (Trinity) + 8x Mandrake Extract + 14x Low-Purity Wolfsegg Steel
Basic / Enhanced / Sub skill Lv.9 → 10
4,000,000 Credit Points + 1x Secret Tech Notes
Weapon stars · cost per unique-weapon star
Unique weapon 2★
1,000,000 Credit Points + 120x Serina (Christmas)'s Eleph
Unique weapon 3★
1,500,000 Credit Points + 180x Serina (Christmas)'s Eleph
Unique weapon 4★
2,000,000 Credit Points + 200x Serina (Christmas)'s Eleph
Unique weapon 5★
2,500,000 Credit Points + 1x Serina (Christmas)'s Eleph
Unique Weapon
Tactical Therapy
Serina's special assault rifle.
It doesn't fire needles, but it carries a double dose of Serina's love.
Transcendence · per-star stat bonuses
★★★ATK +10.0% HP +5.0% Heal +7.5%★★★★★ATK +12.0% HP +7.0% Heal +10.0%
Bond bonuses · max affinity
HP+1355DEF+115
Equipment slots
ShoesHairpinCharm
Profile
Full nameSumi Serina
Age16 years old
BirthdayJanuary 6th
Height5'1"
School year2nd Year
IllustratorCHILD
Voice actor涼本あきほ
HobbyNursing patients, charity work
MottoPeace and joy to all during the Christmas season.
A member of the Trinity Remedial Knights. She's dressed in a Santa outfit to celebrate Christmas. She's spending her Christmas volunteering for charity work. Anyone who watches her singing carols and giving out her handmade gifts would think that she was an angel who came down from heaven for Christmas.
How Serina (Christmas) compares · vs 50 ★★★ Pierce students
Measured against 50 comparable students, Serina (Christmas) is middle-of-the-pack for its cohort (43rd percentile on average). Its strongest number is Crit at 218 — 64th percentile, rank 17 of 50 — while DEF is its weakest at 108, ranking 43 of 50.
HP20380
41st percentile · rank 30 of 50 · cohort median 21620 (-6%)
ATK2080
33rd percentile · rank 34 of 50 · cohort median 2477 (-16%)
DEF108
14th percentile · rank 43 of 50 · cohort median 119 (-9%)
Heal4595
63rd percentile · rank 19 of 50 · cohort median 4427 (+4%)
Crit218
64th percentile · rank 17 of 50 · cohort median 210 (+4%)
Closest students · nearest on ATK
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